BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY MONDAY, JULY 19, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] TODAY'S DISCUSSION.... ONLY A VERY MINOR AMOUNT OF RAINFALL EARLY TODAY... 80-DEGREE TEMPERATURES AND SUNSHINE PREVAIL ON THE WEEKEND.. The rainfall was very showery and spotty overnight with a few places getting up to a half inch of rain in a short times but here at Blue Hill only a trace of rain fell last evening and 0.13 inch this morning. Temperatures had the feel of summer over the weekend with 84 on Saturday and and 82 yesterday along with moderate to high humidity levels as dewpoints reached the middle and upper 60's. Today's precipitation total was 0.13 inch through late this morning and was the same in both standard gage and ASOS gage. TODAY'S MANUAL OBSERVATIONS.... 7/19/2004 8 a.m. obscured with fog and 1/16 mile in fog; temp and dewpoint 64; wind from nne at 10 mph; six hourly min. temp. 64; 24 hour precip. 0.08 inch BHO SA 1155 W1 X 1/16F 088/64/64/0309/979/ RE40 BRFLY RW PST HR/ 8//// 56002 ASOS 60008 MANUAL 6008/ ASOS 70008 MANUAL 70008 10066 20064 11 a.m. obscured with fog and 1/8 mile in fog; temp. and dewpoint 65; wind from ne at 07 mph; three hourly precip. 0.05 inch BHO SA 1455 W2 X 1/8F 092/65/65/0406/980/ 8//// ASOS 60005 MANUAL 6005/ 2 p.m. low overcast at 3 hundred feet and visibility 2 miles in thin fog; temp. 67; dewpoint 65; wind estimated from ene at 3 mph; six hourly max. temp. 67; six hourly precip. 0.05 inch.... BHO SA 1755 E3 OVC 2F 088/67/65/E0602/979/ STRA DRFTNG OVR SMT VSBY N 1/ 8/6// 58004 ASOS 60005 MANUAL 6005/ 10067 20064 WEATHER SUMMARY FOR SUNDAY, JULY 18: TEMPERATURE (DEGREES F) MAX.....82 NORMAL.....82 HAZEN MAXIMUM: 82.0 @ 3:10 p.m. MIN.....66 NORMAL.....62 HAZEN MINIMUM: 65.7 @ 5:25 a.m. MEAN....74 NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.........+ 2 TOTAL DEPARTURE FOR THE MONTH.........-36 (-2.2 DEGREES/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........22 ESE AT 6:28 p.m. AEROVANE..........24 ESE AT 7:08 p.m. ASOS..............22 E AT 9:12 p.m. DAVIS.............20 SE AT 4:36 p.m. ASOS 2-MINUTE.....17 E AT 7:15 p.m. FASTEST MILE......N/A OUR AVERAGE.......7.8 MPH SSW ASOS AVERAGE......8.3 MPH ESE [110] DAVIS AVERAGE.....7.5 MPH SSE [160] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.08 DEPARTURE....-0.04 ASOS..............0.08 TOTAL PRECIPITATION FOR THE MONTH..........3.15 DEPARTURE....+0.97 ASOS..............3.18 TOTAL PRECIPITATION FOR THE YEAR..........26.02 DEPARTURE....-1.83 ASOS.............24.42 PRELIMINARY CLIMATE SUMMARY FOR JULY 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 7/1 82/62//72/+2/0.06/T/503/55 29 MPH S TSTM trace/sml hail 7/2 83/59/71/+1/0.93/T/575/63 45 MPH W TSTM trace of hail * 7/3 80/59/70/0/0/894/98 21 MPH NNW 7/4 81/59/70/0/0/817/90 23 MPH SSE 7/5 69/63/66/-5/1.29/000/00 33 MPH S 7/6 79/65/72/+1/T/364/40 22 MPH NW 7/7 78/63/71/0/0/690/76 23 MPH SSE 7/8 75/62/69/-2/0.01/045/05/ 24 MPH S 7/9 75/62/69/-2/0/535/59 25 MPH S 7/10 80/59/70/-1/0/842/93 21 MPH NW 7/11 74/60/67/-5/0/713/79 20 MPH N 7/12 76/59/68/-4/0/189/21 24 MPH S 7/13 64/60/62/-10/0.51/000/00 28 MPH ENE 7/14 63/59/61/-11/0.18/000/00 27 MPH NNE 7/15 77/60/69/-3/0/.../.. 29 MPH S AERO 33 MPH S 7/16 79/62/71/-1/0/.../.. 30 MPH SW AERO 33 MPH SSW 7/17 84/63/74/+2/0/.../.. 23 MPH WSW 7/18 82/66/74/+2/T/.../.. 22 MPH ESE 7/19 morning low temp. 64; rainfall 0.13 inch thru 2 p.m. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JULY 19 HIGH 96F IN 1977, 1991 LOW 50F IN 1890 PRE 1.10 INCHES IN 1951 WIND 63 MPH SSW IN 1982 RECORDS FOR JULY 20 HIGH 99F IN 1991 LOW 47F IN 1890 PRE 1.64 INCHES IN 1938 WIND 56e MPH SSW IN 1943 TODAY'S REPORT BY: Robert Skilling